CN220782464U - Fin cutting device of plate-fin heat exchanger - Google Patents
Fin cutting device of plate-fin heat exchanger Download PDFInfo
- Publication number
- CN220782464U CN220782464U CN202322113479.7U CN202322113479U CN220782464U CN 220782464 U CN220782464 U CN 220782464U CN 202322113479 U CN202322113479 U CN 202322113479U CN 220782464 U CN220782464 U CN 220782464U
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- China
- Prior art keywords
- plate
- operation platform
- fin
- pressing
- heat exchanger
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- 238000005520 cutting process Methods 0.000 title claims abstract description 49
- 238000003825 pressing Methods 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 10
- 210000000078 claw Anatomy 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
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- Shearing Machines (AREA)
Abstract
The utility model discloses a fin cutting device of a plate-fin heat exchanger, which comprises an operation platform, wherein a cutting mechanism is arranged below the operation platform, an installation groove is formed in the surface of the operation platform above the cutting mechanism, a detachable corrugated plate is arranged in the installation groove, a pressing mechanism connected with the operation platform is arranged above the corrugated plate, a pressing cylinder is arranged at the position, close to a feed inlet, of the corrugated plate, guide blocks are arranged on the operation platform at two sides of the pressing cylinder, a limiting mechanism is arranged on the operation platform, far away from one side of the pressing cylinder, of the corrugated plate, and the limiting mechanism is connected with a driving mechanism arranged on the operation platform. According to the utility model, the corrugated fins and the flat fins are cut through the detachable corrugated plate structure, and the pressing mechanism and the clamping jaw are arranged on the two sides of the cutting port, so that the fins are uniformly stressed in the cutting process, and curling deformation cannot occur.
Description
Technical Field
The utility model relates to the technical field of fin processing, in particular to a fin cutting device of a plate-fin heat exchanger.
Background
The fins are the basic elements of a plate-fin heat exchanger, and the heat transfer process is mainly finished by the fins. In production, the fin forming machine is special equipment for continuously processing coiled aluminum foil into fins, after the fins are stamped and formed, the fins are required to be cut according to the design size, and the cutting efficiency and the cutting quality after the fins are formed directly influence the production progress and the product quality. For fins with wave height H less than or equal to 4.7mm, most of the existing fin forming machines are provided with automatic cutting devices, however, for fins with wave height H more than 4.7mm, most of cutting equipment used in workshop production is applicable to flat fins, positioning pressing tools are lack for corrugated fins, and after cutting, the fins are easy to crimp and deform, so that the assembly of subsequent procedures and the quality of vacuum brazing are affected.
Disclosure of Invention
According to the technical problem to be solved, the fin cutting device for the plate-fin heat exchanger is suitable for cutting and separating extruded corrugated plate-fin heat exchanger fins with large wave height, and avoids curling deformation generated in the cutting process.
In order to achieve the above purpose, the utility model discloses a fin cutting device of a plate-fin heat exchanger, which comprises an operation platform, wherein a cutting mechanism is arranged below the operation platform, an installation groove is formed in the surface of the operation platform above the cutting mechanism, a detachable corrugated plate is arranged in the installation groove, a pressing mechanism connected with the operation platform is arranged above the corrugated plate, a pressing cylinder is arranged at the position, close to a feed inlet, of the corrugated plate, guide blocks are arranged on the operation platforms at two sides of the pressing cylinder, a limiting mechanism is arranged on the operation platform, far away from one side of the pressing cylinder, of the corrugated plate, and the limiting mechanism is connected with a driving mechanism arranged on the operation platform.
Further, the operation platform is provided with a cutter groove positioned above the position of the cutting mechanism, the corrugated plate and the limiting mechanism are respectively positioned on two sides of the cutter groove, and a baffle is arranged between the mounting groove and the cutter groove.
Still further, pressing mechanism is including fixing the support on operation platform, and two sets of pressfitting cylinders are installed at least to the support side, and two guide bars that correspond with pressfitting cylinder position are installed to the support below, and the guide bar bottom is connected with the pressfitting board with pressfitting cylinder's output, pressfitting board bottom be fixed with the ripple piece of corrugated plate wave form unanimity.
Still further, actuating mechanism includes the linear guide assembly of installing on operation platform, and stop gear includes the limiting plate of vertical installation on the slide rail, and the limiting plate passes through the slide bar to be installed on linear guide assembly, and linear guide assembly's location origin and shutdown mechanism place plane coincidence.
Still further, the limit plate is close to the side of cutter groove and installs vertical up proximity switch, and the limit plate is kept away from proximity switch's one side and is provided with clamping jaw mechanism, and clamping jaw mechanism is including the mechanical clamping jaw of symmetry setting in the limit plate both sides, and mechanical clamping jaw's lower claw is fixed on operation platform, goes up claw rotation and connects in setting up in the left pivot of limit plate, and the pivot terminal surface is connected with steering cylinder output.
Further, flexible buffer cotton is adhered to the upper end face of the lower claw and the lower end face of the upper claw.
Still further, compress tightly the output of cylinder and the side terminal surface butt of buckled plate, compress tightly the mounting height of cylinder and be no more than operation platform's upper plane.
Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a fin cutting device of a plate-fin heat exchanger, which is characterized in that corrugated and flat fins are cut through a detachable corrugated plate structure, and a pressing mechanism and clamping jaws are arranged on two sides of a cutting port, so that the fins are uniformly stressed in the cutting process, and curling deformation cannot occur.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a pressing mechanism according to the present utility model.
Fig. 3 is a schematic view of a limiting mechanism according to the present utility model.
In the figure: 1 is an operation platform; 2 is a cutting mechanism; 3 is an installation groove; 4 is a corrugated plate; 5 is a pressing mechanism; 51 is a bracket; 52 is a pressing cylinder; 53 is a guide rod; 54 is a laminate; 55 is a corrugated block; 6 is a driving mechanism; 7 is a limiting mechanism; 71 is a limiting plate; 72 is a slide bar; 73 is a proximity switch; 74 is a mechanical jaw; 75 is a steering cylinder; 8 is a compression cylinder; 9 is a guide block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
According to one embodiment of the utility model, as shown in fig. 1 and 2, a cutting mechanism 2 is arranged below an operation platform 1, an installation groove 3 is formed in the surface of the operation platform 1 above the cutting mechanism 2, a detachable corrugated plate 4 is arranged in the installation groove 3, the corrugated plate 4 is used for guiding and positioning fins, the corresponding corrugated plate 4 structure can be replaced according to the fin structures with different waveforms, a pressing mechanism 5 connected with the operation platform 1 is arranged above the corrugated plate 4, a pressing cylinder 8 is arranged at the position, close to a feed inlet, of the corrugated plate 4, of the operation platform 1 at two sides of the pressing cylinder 8, a guide block 9 is arranged on the operation platform 1 at one side, far from the pressing cylinder 8, of the corrugated plate 4, a limiting mechanism 7 is connected with a driving mechanism 6 arranged on the operation platform 1, the corrugated plate structure and the corrugated plate structure are used for cutting corrugated and flat fins, and the pressing mechanism and clamping jaws are arranged at two sides of a cutting port, so that the fins are uniformly stressed in the cutting process, and curling deformation cannot occur.
The operation platform 1 is provided with a cutter groove positioned above the position of the cutting mechanism 2 and used for cutting fins above the cutter groove, the corrugated plate 4 and the limiting mechanism 7 are respectively positioned on two sides of the cutter groove, and a baffle is arranged between the mounting groove 3 and the cutter groove.
The pressing mechanism 5 comprises a bracket 51 fixed on the operating platform 1, at least two groups of pressing cylinders 52 are arranged on the side surface of the bracket 51, two guide rods 53 corresponding to the pressing cylinders 52 are arranged below the bracket 51, the bottom ends of the guide rods 53 are connected with the output ends of the pressing cylinders 52, pressing plates 54 are connected with the output ends of the pressing cylinders 52, corrugated blocks 55 consistent with the waveforms of the corrugated plates 4 are fixed at the bottoms of the pressing plates 54, and after the fins are in place, the pressing cylinders 52 act to press the corrugated blocks down to be abutted with the fins on the corrugated plates 4, so that pressing force is provided for the right sides of the fins in the cutting process.
The driving mechanism 6 comprises a linear guide rail assembly arranged on the operation platform 1, the limiting mechanism 7 comprises a limiting plate 71 vertically arranged on the sliding rail, the limiting plate 71 is arranged on the linear guide rail assembly through a sliding rod 72, the positioning origin of the linear guide rail assembly coincides with the plane of the cutting mechanism 2, the starting position of the limiting plate is used for adjusting, and the linear guide rail cutting mechanism is suitable for cutting fins of different specifications and sizes.
The vertical up proximity switch 73 is installed to one side that limiting plate 71 is close to the cutter groove, proximity switch 73 is used for detecting the fin condition of putting in place, proximity switch 73 detects the signal after fin and limiting plate butt, for the precondition that follow-up action continued, one side that limiting plate 71 kept away from proximity switch 73 is provided with clamping jaw mechanism, clamping jaw mechanism includes the mechanical clamping jaw 74 of symmetry setting in limiting plate 71 both sides, the lower claw of mechanical clamping jaw 74 is fixed on operation platform 1, the upper claw rotates to be connected in the pivot that sets up in limiting plate 71 left side, the pivot terminal surface is connected with steering cylinder 75 output, drive the upper claw rotation of mechanical clamping jaw 74 through steering cylinder 75, realize the centre gripping and the release to the fin edge.
The upper end face of the lower claw and the lower end face of the upper claw are adhered with flexible buffer cotton, so that the fin deformation caused by rigid contact between the clamping process and the corrugated section of the fin is avoided.
The output of compressing tightly cylinder 8 and the side end face butt of buckled plate 4, compressing tightly the mounting height of cylinder 8 and not exceeding operation platform 1's upper plane, compressing tightly the butt of cylinder 8 start back output to the buckled plate terminal surface, make buckled plate 4 fix in mounting groove 3 through frictional force, avoid cutting off in-process ripple board 4 skew to influence cutting operation, compressing tightly the fin that the mounting height restriction of cylinder 8 avoided feed inlet department and producing the interference, as a preferred embodiment of this application, compressing tightly the apron that cylinder 8 top can be installed and operation platform 1 flushes.
The working principle of the embodiment is as follows: when the corrugated fin is required to be cut off, a corrugated plate matched with the corrugated fin in a waveform is placed in the mounting groove, a corrugated block is mounted at the bottom of the pressing plate, the corrugated plate is fixed in the mounting groove by the pressing cylinder, the fin is manually pushed to the limiting mechanism along the corrugated plate, after the left side of the fin is abutted against the limiting plate, the proximity switch detects a signal, the pressing cylinder and the steering cylinder act to press the fin position above the corrugated plate and the left side of the fin respectively, the cutting mechanism completes cutting of the fin after the pressing is completed, and the limiting mechanism moves leftwards to take out the cut fin; when the flat fins are required to be cut off, the corrugated plates are replaced by flat plates, the corrugated blocks are taken down, two groups of guide blocks on the operation platform are adjusted to guide the edges of the fins, and the cutting operation of the fins is completed according to the same steps.
The points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed; second, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above examples are merely illustrative of the present utility model and are not meant to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (7)
1. The utility model provides a plate-fin heat exchanger fin cutting device, includes operation platform (1), a serial communication port, operation platform (1) below is provided with shutdown mechanism (2), mounting groove (3) have been seted up on operation platform (1) surface of shutdown mechanism (2) top, be provided with detachable buckled plate (4) in mounting groove (3), buckled plate (4) top is provided with pressfitting mechanism (5) being connected with operation platform (1), the position that buckled plate (4) is close to the feed inlet is provided with compresses tightly cylinder (8), be provided with guide block (9) on operation platform (1) of compressing tightly cylinder (8) both sides, be provided with stop gear (7) on operation platform (1) of compressing tightly cylinder (8) one side are kept away from to buckled plate (4), stop gear (7) are connected with actuating mechanism (6) of installing on operation platform (1).
2. A fin cutting device for a plate-fin heat exchanger according to claim 1, wherein the operation platform (1) is provided with a cutter groove positioned above the cutting mechanism (2), the corrugated plate (4) and the limit mechanism (7) are respectively positioned at two sides of the cutter groove, and a baffle is arranged between the installation groove (3) and the cutter groove.
3. A fin cutting device for a plate-fin heat exchanger according to claim 1, wherein the pressing mechanism (5) comprises a bracket (51) fixed on the operation platform (1), at least two groups of pressing cylinders (52) are installed on the side surface of the bracket (51), two guide rods (53) corresponding to the pressing cylinders (52) are installed below the bracket (51), the bottom ends of the guide rods (53) and the output ends of the pressing cylinders (52) are connected with pressing plates (54), and corrugated blocks (55) consistent with waveforms of corrugated plates (4) are fixed at the bottoms of the pressing plates (54).
4. A fin cutting apparatus for a plate fin heat exchanger according to claim 1, wherein the driving mechanism (6) includes a linear guide assembly mounted on the operation platform (1), the limiting mechanism (7) includes a limiting plate (71) vertically mounted on a slide rail, the limiting plate (71) is mounted on the linear guide assembly through a slide rod (72), and a positioning origin of the linear guide assembly coincides with a plane in which the cutting mechanism (2) is located.
5. The fin cutting device for the plate-fin heat exchanger according to claim 4, wherein a vertical upward proximity switch (73) is installed on one side of the limiting plate (71) close to the cutter groove, a clamping jaw mechanism is arranged on one side of the limiting plate (71) far away from the proximity switch (73), the clamping jaw mechanism comprises mechanical clamping jaws (74) symmetrically arranged on two sides of the limiting plate (71), lower claws of the mechanical clamping jaws (74) are fixed on the operating platform (1), upper claws are rotatably connected to a rotating shaft arranged on the left side of the limiting plate (71), and the end face of the rotating shaft is connected with the output end of the steering cylinder (75).
6. A fin cutting apparatus for a plate fin heat exchanger according to claim 5, wherein a flexible buffer cotton is adhered to the upper end surface of the lower jaw and the lower end surface of the upper jaw.
7. A fin cutting apparatus for a plate-fin heat exchanger according to claim 1, wherein the output end of the pressing cylinder (8) abuts against the side end face of the corrugated plate (4), and the installation height of the pressing cylinder (8) does not exceed the upper plane of the operation platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113479.7U CN220782464U (en) | 2023-08-07 | 2023-08-07 | Fin cutting device of plate-fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113479.7U CN220782464U (en) | 2023-08-07 | 2023-08-07 | Fin cutting device of plate-fin heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220782464U true CN220782464U (en) | 2024-04-16 |
Family
ID=90636015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322113479.7U Active CN220782464U (en) | 2023-08-07 | 2023-08-07 | Fin cutting device of plate-fin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220782464U (en) |
-
2023
- 2023-08-07 CN CN202322113479.7U patent/CN220782464U/en active Active
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